CVE-2022-49423

MEDIUM EPSS 10.4%
Published Feb 26, 20251y ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Feb 26, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: rtla: Avoid record NULL pointer dereference Fix the following null/deref_null.cocci errors: ./tools/tracing/rtla/src/osnoise_hist.c:870:31-36: ERROR: record is NULL but dereferenced. ./tools/tracing/rtla/src/osnoise_top.c:650:31-36: ERROR: record is NULL but dereferenced. ./tools/tracing/rtla/src/timerlat_hist.c:905:31-36: ERROR: record is NULL but dereferenced. ./tools/tracing/rtla/src/timerlat_top.c:700:31-36: ERROR: record is NULL but dereferenced. "record" is NULL before calling osnoise_init_trace_tool. Add a tag "out_free" to avoid dereferring a NULL pointer.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
10.4% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 1

VendorProductVersionRange
linuxlinux_kernel*≥5.18  –  <5.18.3

References 2

  • git.kernel.org https://git.kernel.org/stable/c/2a6b52ed72c822b5ee146a6a00ea66614fe02653
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/b0f1c686baff74d5df10f2f46670ef4e24a75756
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/2a6b52ed72c822b5ee146a6a00ea66614fe02653
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/b0f1c686baff74d5df10f2f46670ef4e24a75756
    Patch